† coppeˈrose, a. Obs.
[Attrib. use of an early form of copperas, app. treated like an adj. in -ose = copperous a. 2.]
Of or belonging to copperas or vitriol.
| 1646 Sir T. Browne Pseud. Ep. vi. xii. 336 An Atramentous condition or mixture, that is a vitriolate or copperose quality. 1698 Cay in Phil. Trans. XX. 370 [It] has in some Places a Copperose Taste pretty strong. |